Amazon.com: 5 CORE Car Subwoofer Audio Speaker - 8 inch 4 Ohm, 100 Watt Power,1” Voice Coil and Foam Surround for Vehicle Stereo Sound System 110mm Magnet Loudspeaker Woofer Replacement WF 8110G : Electronics
1 x WOOFER MASTER AUDIO CW1000/8 speaker 25.00 cm 250 mm 10 inch 220 watts rms and 440 watts max impedance 8 ohms house sensitivity 90 dB, 1 piece: Amazon.de: Electronics & Photo
Amazon.com: 10W Mini 3" HiFi Full Range Speaker 8 Ohm Anti-Magnetic Audio 2.0/2.1 Home Stereo Woofer Loudspeaker 90dB High Sensitivity for DIY Boom Box Satellites Speaker : Electronics